SOLUTION: i drove 3 hours at 45 mph how far did i go? and another question is four less than twice a number is nine. find te number. how do i solve them both??? i need help ahhh

SOLUTION: i drove 3 hours at 45 mph how far did i go? and another question is four less than twice a number is nine. find te number. how do i solve them both??? i need help ahhh

Algebra.Com

Question 552033: i drove 3 hours at 45 mph how far did i go?
and another question is four less than twice a number is nine. find te number.
how do i solve them both??? i need help ahhh
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
D=rt
D=45*3
D=135 miles
---------------
2x-4=9
2x=9+4
2x=13
x=13/2
x=6.5
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